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Finding the Fourth Proportional to 248,853.34, 343,447.26 and 157,105.94

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Solution

The fourth proportional to 248,853.34, 343,447.26 and 157,105.94 is: 216,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,853.34 : 343,447.26 = 157,105.94 : x
  2. Step 2: Convert to fraction form
    248,853.34/343,447.26 = 157,105.94/x
  3. Step 3: Cross multiply
    248,853.34x = 343,447.26 × 157,105.94
  4. Step 4: Simplify right side
    248,853.34x = 53,957,604,622.72
  5. Step 5: Solve for x
    x = 53,957,604,622.72/248,853.34
  6. Step 6: Final answer
    x = 216,824.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.